Sudden numbness around the mouth may be related to physiological factors and pathologic factors, the specific circumstances vary from person to person.
1. Physiological factors of sudden perioral numbness: mainly related to improper diet and emotional stimulation, specifically manifested in a large number of food containing peppers, chili peppers, etc., which can easily lead to perioral numbness; more intense emotional stimulation, such as anger, crying, can lead to sympathetic nerve disorders, which will lead to the symptoms of perioral numbness.
2. Pathological factors of perioral numbness: mainly related to cerebral infarction, facial nerve palsy, etc., which is specifically manifested in early cerebral infarction patients may appear sensory or motor dysfunction, and at the same time, there are symptoms of numbness in different parts of the body, such as perioral numbness, which is often accompanied by hemiplegia, aphasia, headache and other symptoms; facial nerve palsy, due to the damage of the facial nerve which leads to sensory abnormality, and further symptoms of perioral numbness may appear. In the case of facial nerve palsy, the damage to the facial nerve leads to sensory abnormalities and further numbness around the mouth.
In the early stage of oral mucosal fibrosis, numbness of the mouth and pallor of the oral mucosa can also occur, after which reticulated mucosa and hardening of the mucosa will appear.
If the symptoms of perioral numbness continue to worsen, you should seek medical treatment in time. Eat less spicy food on weekdays, quit smoking and drinking, maintain emotional stability, and avoid overwork.